Meat-washing machine



April 29, 1930. F. A. KNIGHT E AL 7 MEAT WASH ING MACHINE Filed April 21, 1928 2 Sheets-Sheet l F. A. KNIGHT ET AL MEAT WASHING MACHINE 2 Sheets-Shet 2 Filed April 21, 1928 Patented Apr. 29, 1930 r UNrrEo STATES PATENT FFICE FLOYD A. KNIGHT Ann GLELL E. Rows, or CEDAR RAPIDS, IOWA MEAT-WASHING MACHINE Application filed April 21, 1928. Serial No. 271,786.

This invention relates to the washing of on the conveyor-when delivered thereon from meats, and more particularly the cleansing a cross-conveyor not shown. of hams, bacon and the like, preparatory to tVithin that portion of the frame A which smoking. may be designated as the second story or 5 In packing-house practice all meats when deck B, and traversed by the conveyor, is 55 taken from the pickle preliminary tosmokdisposed a pair of sprayer-heads 15 and 16, j ing must be thoroughly washed in water to respectively. The form i Set fixedly afew rid them of objectionable matter of every inches below the carrying half of the on sort. This, as ordinarily performed, is a veyor, and connects at one end directly with 0 hand process, and by the use of scrubbing the supply-pipe 17, which is supposed to 60 brushes-on a table or conveyor. The work is ar -'3' Wat-er at a high pressure, 200 to 400 i laborious, necessarily slow, and the results P HHCl more Or less. The sprayer head is are less satisfactory than those attained by rmed Of pipe, closed at and provided the mechanical washing hereinafter de- WIth a series of upstanding jets 18. The

5 scribed. sprayer is disposed diagonally under the con- 65 r The invention is fully disclosed in the dey as Shown in F g- S0 that as he meat scription and claims following, reference betravels forw d y no P Of its n r Sid i h d t th accompanying d i i can be nnssed by one or more of the ets. As

hi h; the meat lies on the thin angles of the con- !0 Figure 1 is a side elevationof a washer Y T M ars the sprayed water can be 7 b d i th i ti Fi 2 i a 1 i driven to the entlre under surface ofwthe tudinal section of the machine in a vertical meat, l h 18 thus thoroughly and com: plane practically central to the machine. p ly cleansed Fig. 3 is a fragmentary plan View showing Over e C l BYOI 18 mounted the spray the sprayer heads, service pipes ther f d head 16, disposed at an opposite angle to the a -1; f th conveyor. lower spray-head, and for the same reason.-

Th i ht f a t i l 1 frame are lhrs spray-head has 1ts'] et nozzles dlspo'sed tied by longitudinal bars 5 and 6, the former at y g angles Q VB g I g VYMd the cenheing at a convenient working level. The t as shown n g} y thlS Ineahs h upper bar has inwardly projecting flanges J t heal the d of the head are r ie 3 5 to support the side-chains 7 of a conveyor f g y d n rd, and being oppositely running on sprockets 8 mounted near the ends lhchned serve to powerfully p y the ends of the frame. The conveyor has carrying of meat; as Well as the P slde, as the cross bars 73. of Square Steel attached to the meat s carried forward. In order to secure Side chains so as to present angles up and the hlghest efficiency the sprayers should be down, and thus facilitate the flow of water P a near the Surface acted tlPOn, and

from the spray nozzles to the meat carried by i region the upper Sprayer t f Vern Said Crossbars as Win more Clearly appear ca y aqustable, since the vertical thlcknessmesenthn Conveyor is driven by an of the meats will vary, from thln bacon to thick hams. The sprayer head is therefore e-lQCbl 1c motor 9 mounted on a lngher deck of Connected with the Service p p at 19 by a I [he mam frame, and connectlng by a wormflexible go the it nd of thehead gear speed reducer 10 mounted on the same beino. cappedh To the middle portion of the deck. The reduced speed is transmltted to is conncted a yoke 21, and from this the y y a Chttlh 11 and Sprockets 12 rises a guide bar 22 slidable in a guide 23 and 13. The meat to be cleansed 1S deposited mounted: on cross-bars 241 inijhe superstrug. v on the conveyor near the opposite end, and is ture C. A part of the guide-baris formed as thence carried slowly past the sprayers, to be a rack to engage a pinion 25 on a cross-shaft described presently. A curved wing 14 26. A1ever'27 connects with this shaft, and 1 50 serves for turning the meat to a proper course is held in any desiredpositionby a sector 28.

ings inside, andregu late'the 1novable spray'-* head as 'conditloirs1nay demand.-'

work, a

take on dull eolors, tl-ie fats a dirty yel'low moves forvvardly' theiflap" is automatically 2 I it 1,756,517

The sector is herein shown as pierced with series of spray nozzles arranged diagonally holes 28 to receive a supporting pin 29. across the conveyor. From the main service pipe a branch 3 sup 3. In a meat-Washer, the combination with plies at one side of the conveyor a nozzle 31 a conveyor, a spraylng head extending diagdisposed horizontally, and crossing under Onally across the conveyor, and provided 70 the supporting part of the conveyor, termi- W th a series of spray nozzles dlrected toward nates in nozzle'gi l frenting in the opposite gwaSZHCl conveyor: H direction. These nozzles project' thei-rspray: 44 In a meat-washer,-w-the combination-eta on the opposite sides or" the meat as it passes conveyor, spray apparatus disposed above, between them. The meat is thus sprayed on below and at the sldes of the carry ng port on all of its sides an(l"co1nplet'ely cleansed? 1 of the conveyor and" an 6I1ClOSl1'1g"'lI0US111g The frame ofthe machine is practically en-- forlthe spray apparatus, and closable openclosed by a housing 33, except at the ends ings in said housi 1ig.- .7 Which are necessarily open for:therconveyor -5.. -In an organlzed meat-wvashing machlne, and its load. "This allows for a comfortable a conveyor, a supporting frame therefor a operatiorfiofithemachine;"protectedirointhe motor and speed-reducer :carried by said; 1 dash of a violent spray! -The iron andi steel" frame,isp iray apparatusdJSPOSQLlifi Q h parts otth machine *arejsuitablyprotected low and at the sidesmfathe earryingupart ofi againsta-ust'as b" galvani'zing,or'other-rust the nvey r, and an enclosmg h us ng or proofing rhea i. V sald sprayiaapparatus: Y

' The Woi'k efthema ehine'is not-only thorough, but-vei-y mpid; as compared with hand in gle machine icing 'the'workoi many m'eni Thesup'erio yof'itscleansing, removii'i-g asfitidoes all sl-im'e' and other 'dele terious matter, "s inade' 'ev ident by t-he final s1noked'*pI-"o not, n' der the' less thorough hand washin hams-and bacon when smoked In an organizedimeatwvashing machine's,

a conveyoigzarsupporting frame thereforyaa --hous1ng =for theicon'veyoneopen at the ends to admit andidischarge the:.rneat,zspray appa- -ratus inside. the l1ousing, rand; an; inwardly "normal; I epending positione 7 In a meat-Wash-mg mach-me and inseamares abrownish red; Un'der the same 1 smoking' eon'rlitions the machinecleansed ha'ins 1-ld bacon leavethe fat aclear hit d th z a b i mahogany; 1 provided -Wltl1j. srdeewrngsi to ;prevent (SlCl'Ezi;

materially increasing the'ir attractiveness and p h swung outwardly v V i In testimony. whereof:wvem-fliznv our-.isignazthe; conveyor open at the receiving and exit;

end-s, spray appar'atus-i-nsideethe housing; and anoutwardlysswingingzflapzatthe exitnend,

' A removabl' co'v-{er 8455501 the t op section-O*t r V i Y gives access to 'the interior, and doors 35 at LOYDnAfl KNIGHT the side enable the operatorto see the worl i C L WEH At the end where the nreat 'enters umhous 111g,aflap 36, h 1nged at the top,1s adapted C to swing oiit'vvardly, shoivn {tog prevent splash front-the spr afwithinfi As'themeat swung and lifted in-wa'rdly by themoving meat. -Tiiefiapifor the samemposescthe exit end -of the hfousi-ng, 37, is made to swing" r 1 outwardly s the meat passes under it-', and' to prev'en tie-splashis provi'ded"with 'side-* wings 37*. V y r Having thu's* describd o urinvention, we 1 claimz v y 1. In ai me'at'ivasher'thecombination ota conveyor l'ravingup-Wardly" nd downwa-rdly sharply n'gl'ed "carrying-members was open pray appartus disposed above, thew andat ma mas ofs'ajid carrying .1 members?" x I i I V 2:" In ,a meat vvashefithe-combinationof a convey ili fifily members disposed ttheii' I i sides of fthefcon'veyor to"project spray in-'1 ardly agr ray.apparatus--ctispdseii above' and below thetransporting" are ahe con veyor, such spray apparatus* coniprising springin iflapato lpre-vlent 'splash wheniini its aconveyor E a supportlngiframe therefor,ria'rhousingtzforz: 

